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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/basictypes.h" | 5 #include "base/basictypes.h" |
6 #include "base/file_util.h" | 6 #include "base/file_util.h" |
7 #include "base/json/json_reader.h" | 7 #include "base/json/json_reader.h" |
8 #include "base/json/json_writer.h" | 8 #include "base/json/json_writer.h" |
9 #include "base/path_service.h" | 9 #include "base/path_service.h" |
| 10 #include "base/string16.h" |
10 #include "base/string_util.h" | 11 #include "base/string_util.h" |
| 12 #include "base/utf_string_conversions.h" |
11 #include "base/values.h" | 13 #include "base/values.h" |
12 #include "chrome/common/chrome_paths.h" | 14 #include "chrome/common/chrome_paths.h" |
13 #include "chrome/common/json_value_serializer.h" | 15 #include "chrome/common/json_value_serializer.h" |
14 #include "testing/gtest/include/gtest/gtest.h" | 16 #include "testing/gtest/include/gtest/gtest.h" |
15 | 17 |
16 TEST(JSONValueSerializerTest, Roundtrip) { | 18 TEST(JSONValueSerializerTest, Roundtrip) { |
17 const std::string original_serialization = | 19 const std::string original_serialization = |
18 "{\"bool\":true,\"int\":42,\"list\":[1,2],\"null\":null,\"real\":3.14}"; | 20 "{\"bool\":true,\"int\":42,\"list\":[1,2],\"null\":null,\"real\":3.14}"; |
19 JSONStringValueSerializer serializer(original_serialization); | 21 JSONStringValueSerializer serializer(original_serialization); |
20 scoped_ptr<Value> root(serializer.Deserialize(NULL, NULL)); | 22 scoped_ptr<Value> root(serializer.Deserialize(NULL, NULL)); |
21 ASSERT_TRUE(root.get()); | 23 ASSERT_TRUE(root.get()); |
22 ASSERT_TRUE(root->IsType(Value::TYPE_DICTIONARY)); | 24 ASSERT_TRUE(root->IsType(Value::TYPE_DICTIONARY)); |
23 | 25 |
24 DictionaryValue* root_dict = static_cast<DictionaryValue*>(root.get()); | 26 DictionaryValue* root_dict = static_cast<DictionaryValue*>(root.get()); |
25 | 27 |
26 Value* null_value = NULL; | 28 Value* null_value = NULL; |
27 ASSERT_TRUE(root_dict->Get(L"null", &null_value)); | 29 ASSERT_TRUE(root_dict->Get("null", &null_value)); |
28 ASSERT_TRUE(null_value); | 30 ASSERT_TRUE(null_value); |
29 ASSERT_TRUE(null_value->IsType(Value::TYPE_NULL)); | 31 ASSERT_TRUE(null_value->IsType(Value::TYPE_NULL)); |
30 | 32 |
31 bool bool_value = false; | 33 bool bool_value = false; |
32 ASSERT_TRUE(root_dict->GetBoolean(L"bool", &bool_value)); | 34 ASSERT_TRUE(root_dict->GetBoolean("bool", &bool_value)); |
33 ASSERT_TRUE(bool_value); | 35 ASSERT_TRUE(bool_value); |
34 | 36 |
35 int int_value = 0; | 37 int int_value = 0; |
36 ASSERT_TRUE(root_dict->GetInteger(L"int", &int_value)); | 38 ASSERT_TRUE(root_dict->GetInteger("int", &int_value)); |
37 ASSERT_EQ(42, int_value); | 39 ASSERT_EQ(42, int_value); |
38 | 40 |
39 double real_value = 0.0; | 41 double real_value = 0.0; |
40 ASSERT_TRUE(root_dict->GetReal(L"real", &real_value)); | 42 ASSERT_TRUE(root_dict->GetReal("real", &real_value)); |
41 ASSERT_DOUBLE_EQ(3.14, real_value); | 43 ASSERT_DOUBLE_EQ(3.14, real_value); |
42 | 44 |
43 // We shouldn't be able to write using this serializer, since it was | 45 // We shouldn't be able to write using this serializer, since it was |
44 // initialized with a const string. | 46 // initialized with a const string. |
45 ASSERT_FALSE(serializer.Serialize(*root_dict)); | 47 ASSERT_FALSE(serializer.Serialize(*root_dict)); |
46 | 48 |
47 std::string test_serialization = ""; | 49 std::string test_serialization = ""; |
48 JSONStringValueSerializer mutable_serializer(&test_serialization); | 50 JSONStringValueSerializer mutable_serializer(&test_serialization); |
49 ASSERT_TRUE(mutable_serializer.Serialize(*root_dict)); | 51 ASSERT_TRUE(mutable_serializer.Serialize(*root_dict)); |
50 ASSERT_EQ(original_serialization, test_serialization); | 52 ASSERT_EQ(original_serialization, test_serialization); |
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64 " \"int\": 42," JSON_NEWLINE | 66 " \"int\": 42," JSON_NEWLINE |
65 " \"list\": [ 1, 2 ]," JSON_NEWLINE | 67 " \"list\": [ 1, 2 ]," JSON_NEWLINE |
66 " \"null\": null," JSON_NEWLINE | 68 " \"null\": null," JSON_NEWLINE |
67 " \"real\": 3.14" JSON_NEWLINE | 69 " \"real\": 3.14" JSON_NEWLINE |
68 "}" JSON_NEWLINE; | 70 "}" JSON_NEWLINE; |
69 #undef JSON_NEWLINE | 71 #undef JSON_NEWLINE |
70 ASSERT_EQ(pretty_serialization, test_serialization); | 72 ASSERT_EQ(pretty_serialization, test_serialization); |
71 } | 73 } |
72 | 74 |
73 TEST(JSONValueSerializerTest, StringEscape) { | 75 TEST(JSONValueSerializerTest, StringEscape) { |
74 std::wstring all_chars; | 76 string16 all_chars; |
75 for (int i = 1; i < 256; ++i) { | 77 for (int i = 1; i < 256; ++i) { |
76 all_chars += static_cast<wchar_t>(i); | 78 all_chars += static_cast<char16>(i); |
77 } | 79 } |
78 // Generated in in Firefox using the following js (with an extra backslash for | 80 // Generated in in Firefox using the following js (with an extra backslash for |
79 // double quote): | 81 // double quote): |
80 // var s = ''; | 82 // var s = ''; |
81 // for (var i = 1; i < 256; ++i) { s += String.fromCharCode(i); } | 83 // for (var i = 1; i < 256; ++i) { s += String.fromCharCode(i); } |
82 // uneval(s).replace(/\\/g, "\\\\"); | 84 // uneval(s).replace(/\\/g, "\\\\"); |
83 std::string all_chars_expected = | 85 std::string all_chars_expected = |
84 "\\u0001\\u0002\\u0003\\u0004\\u0005\\u0006\\u0007\\b\\t\\n\\u000B\\f\\r" | 86 "\\u0001\\u0002\\u0003\\u0004\\u0005\\u0006\\u0007\\b\\t\\n\\u000B\\f\\r" |
85 "\\u000E\\u000F\\u0010\\u0011\\u0012\\u0013\\u0014\\u0015\\u0016\\u0017" | 87 "\\u000E\\u000F\\u0010\\u0011\\u0012\\u0013\\u0014\\u0015\\u0016\\u0017" |
86 "\\u0018\\u0019\\u001A\\u001B\\u001C\\u001D\\u001E\\u001F !\\\"" | 88 "\\u0018\\u0019\\u001A\\u001B\\u001C\\u001D\\u001E\\u001F !\\\"" |
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98 "\\u00DE\\u00DF\\u00E0\\u00E1\\u00E2\\u00E3\\u00E4\\u00E5\\u00E6\\u00E7" | 100 "\\u00DE\\u00DF\\u00E0\\u00E1\\u00E2\\u00E3\\u00E4\\u00E5\\u00E6\\u00E7" |
99 "\\u00E8\\u00E9\\u00EA\\u00EB\\u00EC\\u00ED\\u00EE\\u00EF\\u00F0\\u00F1" | 101 "\\u00E8\\u00E9\\u00EA\\u00EB\\u00EC\\u00ED\\u00EE\\u00EF\\u00F0\\u00F1" |
100 "\\u00F2\\u00F3\\u00F4\\u00F5\\u00F6\\u00F7\\u00F8\\u00F9\\u00FA\\u00FB" | 102 "\\u00F2\\u00F3\\u00F4\\u00F5\\u00F6\\u00F7\\u00F8\\u00F9\\u00FA\\u00FB" |
101 "\\u00FC\\u00FD\\u00FE\\u00FF"; | 103 "\\u00FC\\u00FD\\u00FE\\u00FF"; |
102 | 104 |
103 std::string expected_output = "{\"all_chars\":\"" + all_chars_expected + | 105 std::string expected_output = "{\"all_chars\":\"" + all_chars_expected + |
104 "\"}"; | 106 "\"}"; |
105 // Test JSONWriter interface | 107 // Test JSONWriter interface |
106 std::string output_js; | 108 std::string output_js; |
107 DictionaryValue valueRoot; | 109 DictionaryValue valueRoot; |
108 valueRoot.SetString(L"all_chars", all_chars); | 110 valueRoot.SetString("all_chars", all_chars); |
109 base::JSONWriter::Write(&valueRoot, false, &output_js); | 111 base::JSONWriter::Write(&valueRoot, false, &output_js); |
110 ASSERT_EQ(expected_output, output_js); | 112 ASSERT_EQ(expected_output, output_js); |
111 | 113 |
112 // Test JSONValueSerializer interface (uses JSONWriter). | 114 // Test JSONValueSerializer interface (uses JSONWriter). |
113 JSONStringValueSerializer serializer(&output_js); | 115 JSONStringValueSerializer serializer(&output_js); |
114 ASSERT_TRUE(serializer.Serialize(valueRoot)); | 116 ASSERT_TRUE(serializer.Serialize(valueRoot)); |
115 ASSERT_EQ(expected_output, output_js); | 117 ASSERT_EQ(expected_output, output_js); |
116 } | 118 } |
117 | 119 |
118 TEST(JSONValueSerializerTest, UnicodeStrings) { | 120 TEST(JSONValueSerializerTest, UnicodeStrings) { |
119 // unicode string json -> escaped ascii text | 121 // unicode string json -> escaped ascii text |
120 DictionaryValue root; | 122 DictionaryValue root; |
121 std::wstring test(L"\x7F51\x9875"); | 123 string16 test(WideToUTF16(L"\x7F51\x9875")); |
122 root.SetString(L"web", test); | 124 root.SetString("web", test); |
123 | 125 |
124 std::string expected = "{\"web\":\"\\u7F51\\u9875\"}"; | 126 std::string expected = "{\"web\":\"\\u7F51\\u9875\"}"; |
125 | 127 |
126 std::string actual; | 128 std::string actual; |
127 JSONStringValueSerializer serializer(&actual); | 129 JSONStringValueSerializer serializer(&actual); |
128 ASSERT_TRUE(serializer.Serialize(root)); | 130 ASSERT_TRUE(serializer.Serialize(root)); |
129 ASSERT_EQ(expected, actual); | 131 ASSERT_EQ(expected, actual); |
130 | 132 |
131 // escaped ascii text -> json | 133 // escaped ascii text -> json |
132 JSONStringValueSerializer deserializer(expected); | 134 JSONStringValueSerializer deserializer(expected); |
133 scoped_ptr<Value> deserial_root(deserializer.Deserialize(NULL, NULL)); | 135 scoped_ptr<Value> deserial_root(deserializer.Deserialize(NULL, NULL)); |
134 ASSERT_TRUE(deserial_root.get()); | 136 ASSERT_TRUE(deserial_root.get()); |
135 DictionaryValue* dict_root = | 137 DictionaryValue* dict_root = |
136 static_cast<DictionaryValue*>(deserial_root.get()); | 138 static_cast<DictionaryValue*>(deserial_root.get()); |
137 std::wstring web_value; | 139 string16 web_value; |
138 ASSERT_TRUE(dict_root->GetString(L"web", &web_value)); | 140 ASSERT_TRUE(dict_root->GetString("web", &web_value)); |
139 ASSERT_EQ(test, web_value); | 141 ASSERT_EQ(test, web_value); |
140 } | 142 } |
141 | 143 |
142 TEST(JSONValueSerializerTest, HexStrings) { | 144 TEST(JSONValueSerializerTest, HexStrings) { |
143 // hex string json -> escaped ascii text | 145 // hex string json -> escaped ascii text |
144 DictionaryValue root; | 146 DictionaryValue root; |
145 std::wstring test(L"\x01\x02"); | 147 string16 test(WideToUTF16(L"\x01\x02")); |
146 root.SetString(L"test", test); | 148 root.SetString("test", test); |
147 | 149 |
148 std::string expected = "{\"test\":\"\\u0001\\u0002\"}"; | 150 std::string expected = "{\"test\":\"\\u0001\\u0002\"}"; |
149 | 151 |
150 std::string actual; | 152 std::string actual; |
151 JSONStringValueSerializer serializer(&actual); | 153 JSONStringValueSerializer serializer(&actual); |
152 ASSERT_TRUE(serializer.Serialize(root)); | 154 ASSERT_TRUE(serializer.Serialize(root)); |
153 ASSERT_EQ(expected, actual); | 155 ASSERT_EQ(expected, actual); |
154 | 156 |
155 // escaped ascii text -> json | 157 // escaped ascii text -> json |
156 JSONStringValueSerializer deserializer(expected); | 158 JSONStringValueSerializer deserializer(expected); |
157 scoped_ptr<Value> deserial_root(deserializer.Deserialize(NULL, NULL)); | 159 scoped_ptr<Value> deserial_root(deserializer.Deserialize(NULL, NULL)); |
158 ASSERT_TRUE(deserial_root.get()); | 160 ASSERT_TRUE(deserial_root.get()); |
159 DictionaryValue* dict_root = | 161 DictionaryValue* dict_root = |
160 static_cast<DictionaryValue*>(deserial_root.get()); | 162 static_cast<DictionaryValue*>(deserial_root.get()); |
161 std::wstring test_value; | 163 string16 test_value; |
162 ASSERT_TRUE(dict_root->GetString(L"test", &test_value)); | 164 ASSERT_TRUE(dict_root->GetString("test", &test_value)); |
163 ASSERT_EQ(test, test_value); | 165 ASSERT_EQ(test, test_value); |
164 | 166 |
165 // Test converting escaped regular chars | 167 // Test converting escaped regular chars |
166 std::string escaped_chars = "{\"test\":\"\\u0067\\u006f\"}"; | 168 std::string escaped_chars = "{\"test\":\"\\u0067\\u006f\"}"; |
167 JSONStringValueSerializer deserializer2(escaped_chars); | 169 JSONStringValueSerializer deserializer2(escaped_chars); |
168 deserial_root.reset(deserializer2.Deserialize(NULL, NULL)); | 170 deserial_root.reset(deserializer2.Deserialize(NULL, NULL)); |
169 ASSERT_TRUE(deserial_root.get()); | 171 ASSERT_TRUE(deserial_root.get()); |
170 dict_root = static_cast<DictionaryValue*>(deserial_root.get()); | 172 dict_root = static_cast<DictionaryValue*>(deserial_root.get()); |
171 ASSERT_TRUE(dict_root->GetString(L"test", &test_value)); | 173 ASSERT_TRUE(dict_root->GetString("test", &test_value)); |
172 ASSERT_EQ(std::wstring(L"go"), test_value); | 174 ASSERT_EQ(ASCIIToUTF16("go"), test_value); |
173 } | 175 } |
174 | 176 |
175 TEST(JSONValueSerializerTest, AllowTrailingComma) { | 177 TEST(JSONValueSerializerTest, AllowTrailingComma) { |
176 scoped_ptr<Value> root; | 178 scoped_ptr<Value> root; |
177 scoped_ptr<Value> root_expected; | 179 scoped_ptr<Value> root_expected; |
178 std::string test_with_commas("{\"key\": [true,],}"); | 180 std::string test_with_commas("{\"key\": [true,],}"); |
179 std::string test_no_commas("{\"key\": [true]}"); | 181 std::string test_no_commas("{\"key\": [true]}"); |
180 | 182 |
181 JSONStringValueSerializer serializer(test_with_commas); | 183 JSONStringValueSerializer serializer(test_with_commas); |
182 serializer.set_allow_trailing_comma(true); | 184 serializer.set_allow_trailing_comma(true); |
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214 | 216 |
215 scoped_ptr<Value> root; | 217 scoped_ptr<Value> root; |
216 | 218 |
217 // It's ok to have a comment in a string. | 219 // It's ok to have a comment in a string. |
218 root.reset(base::JSONReader::Read("[\"// ok\\n /* foo */ \"]", false)); | 220 root.reset(base::JSONReader::Read("[\"// ok\\n /* foo */ \"]", false)); |
219 ASSERT_TRUE(root.get() && root->IsType(Value::TYPE_LIST)); | 221 ASSERT_TRUE(root.get() && root->IsType(Value::TYPE_LIST)); |
220 ListValue* list = static_cast<ListValue*>(root.get()); | 222 ListValue* list = static_cast<ListValue*>(root.get()); |
221 ASSERT_EQ(1U, list->GetSize()); | 223 ASSERT_EQ(1U, list->GetSize()); |
222 Value* elt = NULL; | 224 Value* elt = NULL; |
223 ASSERT_TRUE(list->Get(0, &elt)); | 225 ASSERT_TRUE(list->Get(0, &elt)); |
224 std::wstring value; | 226 std::string value; |
225 ASSERT_TRUE(elt && elt->GetAsString(&value)); | 227 ASSERT_TRUE(elt && elt->GetAsString(&value)); |
226 ASSERT_EQ(L"// ok\n /* foo */ ", value); | 228 ASSERT_EQ("// ok\n /* foo */ ", value); |
227 | 229 |
228 // You can't nest comments. | 230 // You can't nest comments. |
229 root.reset(base::JSONReader::Read("/* /* inner */ outer */ [ 1 ]", false)); | 231 root.reset(base::JSONReader::Read("/* /* inner */ outer */ [ 1 ]", false)); |
230 ASSERT_FALSE(root.get()); | 232 ASSERT_FALSE(root.get()); |
231 | 233 |
232 // Not a open comment token. | 234 // Not a open comment token. |
233 root.reset(base::JSONReader::Read("/ * * / [1]", false)); | 235 root.reset(base::JSONReader::Read("/ * * / [1]", false)); |
234 ASSERT_FALSE(root.get()); | 236 ASSERT_FALSE(root.get()); |
235 } | 237 } |
236 | 238 |
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268 JSONFileValueSerializer deserializer(original_file_path); | 270 JSONFileValueSerializer deserializer(original_file_path); |
269 scoped_ptr<Value> root; | 271 scoped_ptr<Value> root; |
270 root.reset(deserializer.Deserialize(NULL, NULL)); | 272 root.reset(deserializer.Deserialize(NULL, NULL)); |
271 | 273 |
272 ASSERT_TRUE(root.get()); | 274 ASSERT_TRUE(root.get()); |
273 ASSERT_TRUE(root->IsType(Value::TYPE_DICTIONARY)); | 275 ASSERT_TRUE(root->IsType(Value::TYPE_DICTIONARY)); |
274 | 276 |
275 DictionaryValue* root_dict = static_cast<DictionaryValue*>(root.get()); | 277 DictionaryValue* root_dict = static_cast<DictionaryValue*>(root.get()); |
276 | 278 |
277 Value* null_value = NULL; | 279 Value* null_value = NULL; |
278 ASSERT_TRUE(root_dict->Get(L"null", &null_value)); | 280 ASSERT_TRUE(root_dict->Get("null", &null_value)); |
279 ASSERT_TRUE(null_value); | 281 ASSERT_TRUE(null_value); |
280 ASSERT_TRUE(null_value->IsType(Value::TYPE_NULL)); | 282 ASSERT_TRUE(null_value->IsType(Value::TYPE_NULL)); |
281 | 283 |
282 bool bool_value = false; | 284 bool bool_value = false; |
283 ASSERT_TRUE(root_dict->GetBoolean(L"bool", &bool_value)); | 285 ASSERT_TRUE(root_dict->GetBoolean("bool", &bool_value)); |
284 ASSERT_TRUE(bool_value); | 286 ASSERT_TRUE(bool_value); |
285 | 287 |
286 int int_value = 0; | 288 int int_value = 0; |
287 ASSERT_TRUE(root_dict->GetInteger(L"int", &int_value)); | 289 ASSERT_TRUE(root_dict->GetInteger("int", &int_value)); |
288 ASSERT_EQ(42, int_value); | 290 ASSERT_EQ(42, int_value); |
289 | 291 |
290 std::wstring string_value; | 292 std::string string_value; |
291 ASSERT_TRUE(root_dict->GetString(L"string", &string_value)); | 293 ASSERT_TRUE(root_dict->GetString("string", &string_value)); |
292 ASSERT_EQ(L"hello", string_value); | 294 ASSERT_EQ("hello", string_value); |
293 | 295 |
294 // Now try writing. | 296 // Now try writing. |
295 const FilePath written_file_path = | 297 const FilePath written_file_path = |
296 test_dir_.Append(FILE_PATH_LITERAL("test_output.js")); | 298 test_dir_.Append(FILE_PATH_LITERAL("test_output.js")); |
297 | 299 |
298 ASSERT_FALSE(file_util::PathExists(written_file_path)); | 300 ASSERT_FALSE(file_util::PathExists(written_file_path)); |
299 JSONFileValueSerializer serializer(written_file_path); | 301 JSONFileValueSerializer serializer(written_file_path); |
300 ASSERT_TRUE(serializer.Serialize(*root)); | 302 ASSERT_TRUE(serializer.Serialize(*root)); |
301 ASSERT_TRUE(file_util::PathExists(written_file_path)); | 303 ASSERT_TRUE(file_util::PathExists(written_file_path)); |
302 | 304 |
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339 FilePath source_file_path; | 341 FilePath source_file_path; |
340 ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &source_file_path)); | 342 ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &source_file_path)); |
341 source_file_path = source_file_path.Append( | 343 source_file_path = source_file_path.Append( |
342 FILE_PATH_LITERAL("serializer_test_nowhitespace.js")); | 344 FILE_PATH_LITERAL("serializer_test_nowhitespace.js")); |
343 ASSERT_TRUE(file_util::PathExists(source_file_path)); | 345 ASSERT_TRUE(file_util::PathExists(source_file_path)); |
344 JSONFileValueSerializer serializer(source_file_path); | 346 JSONFileValueSerializer serializer(source_file_path); |
345 scoped_ptr<Value> root; | 347 scoped_ptr<Value> root; |
346 root.reset(serializer.Deserialize(NULL, NULL)); | 348 root.reset(serializer.Deserialize(NULL, NULL)); |
347 ASSERT_TRUE(root.get()); | 349 ASSERT_TRUE(root.get()); |
348 } | 350 } |
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